modified to incorporate printf routine

BaS_GNU/bas.lk.in

@@ -76,6 +76,8 @@ SECTIONS {
 		objs/BaS.o(.text)
 		/* put other routines into the same segment (RAM) as BaS.o */ 
 		objs/sd_card_asm.o(.text)
+		_printf_before_copy = . - (ADDR(.bas) - LOADADDR(.bas));
+		_printf_after_copy = ABSOLUTE(.);
 		objs/printf.o(.text)
 		objs/printf_helper.o(.text)
 		objs/sd_card.o(.text)
@@ -86,6 +88,7 @@ SECTIONS {
 		objs/illegal_instruction.o(.text)
 		
 		*(.data)
+		*(.bss)
 		
 		_bas_end = ABSOLUTE(.);
 	} > ram